Carte géologique de reconnaissance de l'A.O.F.
French West Africa.Direction fédérale des mines et de la géologie.
[Dakar],
1943-
Issued in quadrangles 4⁰ of latitude by 3⁰ of longitude; sheets are numbered consecutively, and as halves of the sheets of the International Map of the World, 1:1,000,000.
Each sheet has key to colors and symbols, and index map in margin.
Sheets issued by agency under its earlier name: Service des mines.
ND.28-O.12: Dakar Ouest, 1943 -- ND.28-E.13: Dakar Est, 1943.
Geology